Atrial fibrillation or AFib is the most common heart rhythm disturbance in the U.S. It is typically characterized by irregular electrical activity in the upper chambers of the heart.This chaotic beating can cause a range of symptoms, including breathing issues, fatigue, weakness, dizziness, palpitations, chest pain, and light headedness. AFib in itself is not life threatening, but it can put patients at risk for a stroke or heart failure if it remains untreated.Listen in as Sujoya Dey, MD, explains that MarinHealth Medical Center offers a wide range of treatment options, including lifestyle modification, medications, and advanced procedures in our state-of-the-art Electrophysiology Lab.